Year	Number
1960	780791
1961	797598
1962	814788
1963	832272
1964	850077
1965	868190
1966	886534
1967	904945
1968	923224
1969	941252
1970	958761
1971	975552
1972	991547
1973	1006789
1974	1021129
1975	1034538
1976	1046840
1977	1059106
1978	1071643
1979	1083366
1980	1094297
1981	1104646
1982	1114117
1983	1122444
1984	1129472
1985	1135177
1986	1139326
1987	1142031
1988	1151703
1989	1183835
1990	1217197
1991	1256332
1992	1308381
1993	1365683
1994	1416225
1995	1459030
1996	1491730
1997	1528850
1998	1572715
1999	1619171
2000	1668449
2001	1695317
2002	1707695
2003	1719875
2004	1731732
2005	1743825
2006	1756362
2007	1769433
2008	1785189
2009	1804646
2010	1826403
2011	1850477
2012	1876234
2013	1897456
2014	1913785
2015	1930136
2016	1946447
2017	1962529
2018	1978535
2019	1994344
2020	2009661
2021	2024451
2022	2040187
2023	2057093